EP2984261B1 - Cylinder lock - Google Patents

Cylinder lock Download PDF

Info

Publication number
EP2984261B1
EP2984261B1 EP14712558.7A EP14712558A EP2984261B1 EP 2984261 B1 EP2984261 B1 EP 2984261B1 EP 14712558 A EP14712558 A EP 14712558A EP 2984261 B1 EP2984261 B1 EP 2984261B1
Authority
EP
European Patent Office
Prior art keywords
key
core
housing
cylinder lock
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14712558.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2984261A1 (en
Inventor
Kolyo KOLEV
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Assa Abloy Opening Solutions Bulgaria EOOD
Original Assignee
Assa Abloy Opening Solutions Bulgaria EOOD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Assa Abloy Opening Solutions Bulgaria EOOD filed Critical Assa Abloy Opening Solutions Bulgaria EOOD
Publication of EP2984261A1 publication Critical patent/EP2984261A1/en
Application granted granted Critical
Publication of EP2984261B1 publication Critical patent/EP2984261B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits

Definitions

  • the invention relates to a cylinder lock, which can be implemented for the configuration of locking systems with an increased security for living houses, public etc. buildings, as well for cabinets, safes, padlocks etc.
  • the cylinder lock described in EP1662077B1 , usually has certain number of vertical pins, axially disposed under the springs pressure into coaxial bores in the housing and core, which is rotatably mounted in the housing and has a longitudinal channel formed therein for the key insertion.
  • the cylinder lock has a pair of side pins additionally disposed in the core, symmetrically to the central plane, and blocking in the housing elements interacting with the side pins, thus to identify the said integrated in the key movable element. Furthermore, in the longitudinal channel for the key insertion in the core there are formed symmetrically to the central plane additional side longitudinal guide channels for the key insertion because the diameter of the movable element is bigger than the key blade thickness. This respectively results in widening of the keyway in the corresponding positions which is externally visible and makes the cylinder lock recognizable and easy accessible for manipulation and unlocking.
  • WO99/64703A1 discloses a key for cylinder lock with a key blade defined by two wide surfaces and two narrow surfaces; longitudinal grooves formed on the wide key blade surfaces; transversal notches of different heights and shapes, formed on the narrow key blade surface; a longitudinal slot made through the wide key blade surfaces; a movable cylindrical element inserted in the longitudinal slot, which cylindrical element is provided with a central borehole, loosely fitted on a key pin fixed itself in a second borehole; the second borehole is made on the narrow key blade surface; both the second borehole and respectively the key pin mounted therein are perpendicular to the longitudinal slot and both pass through it; the outer diameter of the movable cylindrical element is equal to the key blade thickness and between the movable cylindrical element and the key pin there is provided a radial clearance to allow radial displacement of the movable cylindrical element towards the key pin, whereat the outer circumferential surface of the movable cylindrical element is displaced outside the key blade surface.
  • the movable element in the key interacts with an abutment pin in the cylinder lock which pushes the movable element against the further locking pin which slides into the core as a result of the interaction with the counter pin pushed by the spring into the position in which it releases the core.
  • FR 2 871 497 discloses a cylinder lock, comprising a housing and a core rotatable mounted therein; the core has a longitudinal channel for a key insertion; coaxial bores are formed on one side of the key channel, in the core and in the housing respectively , wherein there are axially disposed basic core pins and housing pins loaded by springs; additional blocking elements are mounted in the core, wherein a pushing element is stationary mounted in the core, and a part of the pushing element corresponds to the location of the movable element inserted in a groove on the key, and wherein there is mounted a locking element with possibility for rotation around an axis passing through the locking element and having its one end engaged under a spring pressure into respective slot, formed in the housing.
  • the present invention intends to provide a high security cylinder lock with possibility to control over the additional keys production, as the key for use with the said cylinder lock is provided with an additional element disposed on a selected location of the key blade that makes the key difficult for manufacturing with simple machinery by unauthorized persons and contributes to higher locking security.
  • a cylinder lock which comprises a housing and a core rotatably mounted therein, having a longitudinal channel for the key insertion.
  • additional blocking elements are mounted in the core, as in accordance with the invention symmetrically to the central plane, on the outer surface of the core, there are additionally formed longitudinal first and second core slots which are opened into the key channel, whereat a pushing element is stationary mounted in the first or in the second core slot by a pin through a bore made on the outer surface of the core.
  • a part of the said pushing element is protruded into the key channel and corresponds to the location of the additional longitudinal guide groove on the key and to the movable cylindrical element inserted therein.
  • a locking element with possibility for rotation around an axis passing therethrough, and having its one end engaged under a spring pressure into respective slot formed in the housing.
  • the advantage of the proposed cylinder lock in accordance with the invention, consists in the fact that the cylinder lock has got less movable elements which increases its reliability.
  • Another advantage, in accordance with the invention, is that the additional elements in the key, core and housing can be disposed also in a mirror image, which introduces another level of diversity and security against manipulation.
  • Figs. 1 and 1a Figs.2 and 2a and Figs.3 and 3a .
  • the key 1 for a cylinder lock 10 has a key blade 11, defined by wide surfaces 12 and 18 and narrow surfaces 16 and 30 with longitudinal grooves 13 formed on the wide key blade surfaces 12 and 18 and transversal notches 14 of different heights and shapes formed on the narrow key blade surface 30.
  • a rectangular through hole 4 with constant cross-section is made through the wide key blade surfaces 12 and 18 where is inserted a movable cylindrical element in the shape of a ring 2 with a central borehole 2a, loosely fitted on a key pin 3 fixed itself in a second borehole 17 made on the narrow key blade surface 16, as both the second borehole 17 and respectively the key pin 3 mounted therein are perpendicular to the rectangular through hole 4 and both pass therethrough.
  • the rectangular through hole 4 and the ring 2 inserte therein are arranged in an additional longitudinal guide groove 15 made on the wide key blade surface 12, as the outer diameter of the ring 2 is equal to the key blade 11 thickness. Moreover, between the ring 2 and the key pin 3 there is provided a radial clearance to allow radial displacement of the ring 2 towards the key pin 3 whereat the outer circumferential surface of the ring 2 is displaced outside the key blade surface 11.
  • the associated to the key 1 cylinder lock 10 comprises a housing 19 and a core 20 rotatably mounted therein, having a longitudinal channel 21 for a key 1 insertion.
  • additional blocking elements are mounted in the core 20 to identify the ring 2 inserted in the key 1, as in accordance with the invention, symmetrically to the central plane, on the outer surface of the core 20, there are additionally formed longitudinal first 9 and second 9a core slots which are opened into the key channel 21.
  • the first core slot 9 there is stationary mounted a pushing element in the shape of a disc 5 by means of a pin 8 through a bore 27 made on the outer surface of the core 20.
  • a part of the said disc 5 is protruded into the key channel 21 and corresponds to the location of the additional longitudinal guide groove 15 on the key 1 and to the ring 2 inserted therein.
  • a locking element 6 is mounted opposite to the disc 5, but on the other side of the key channel 21, in the second core slot 9a, there is mounted a locking element 6 with possibility for rotation around an axis 29 passing therethrough, and having its one end 6a engaged under a spring 7 pressure into a slot 28 formed in the housing 19.
  • Figs.4 and 4a , and figs.5 and 5a represent another embodiment mirrored to the first embodiment of a key 1' and an associated cylinder lock 10', whereat the additional guide longitudinal groove 15' is mirrored realized on the other wide blade surface 18 of the key 1'.
  • the pushing disc 5 is mirrored mounted in the second core slot 9a by means of a pin 8 through a bore 27' mirrored made to the first embodiment on the outer surface of the core 20, and opposite to it but on the other side of the key channel 21, in the first core slot 9, there is mounted a locking element 6 as for its one end 6a engaging into the housing 19 there is a housing slot 28' mirrored formed.
  • the cylinder lock using an associated key with an integrated therein movable element operates as follows.
  • the disk 5 moves radially the ring 2 outside the key blade surface 11, whereat the ring 2 pushes the locking element 6 causing its rotation around the axis 29 and its one end 6a disengaging from the housing slot 28, thus making possible the core 20 rotation and the cylinder lock 10 unlocking.
  • the unlock operation is not possible because the part of the disk 5 which is protruded into the key channel 21 changes its profile in the respective area and prevents the key movement, as thereby the end 6a of the locking element 6 remains engaged in the housing slot 28, thus making impossible the core 20 rotation and the lock cylinder 10 unlocking.

Landscapes

  • Lock And Its Accessories (AREA)
EP14712558.7A 2013-04-09 2014-02-04 Cylinder lock Active EP2984261B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG238913 2013-04-09
PCT/BG2014/000004 WO2014165949A1 (en) 2013-04-09 2014-02-04 Key with an integrated movable element and an associated cylinder lock

Publications (2)

Publication Number Publication Date
EP2984261A1 EP2984261A1 (en) 2016-02-17
EP2984261B1 true EP2984261B1 (en) 2019-09-25

Family

ID=50382151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14712558.7A Active EP2984261B1 (en) 2013-04-09 2014-02-04 Cylinder lock

Country Status (4)

Country Link
EP (1) EP2984261B1 (ru)
RU (1) RU2635977C2 (ru)
UA (1) UA112251C2 (ru)
WO (1) WO2014165949A1 (ru)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014010707B4 (de) * 2014-07-17 2021-06-10 Assa Abloy Sicherheitstechnik Gmbh Schloss-Schlüssel-System
RU2726759C1 (ru) 2018-05-03 2020-07-15 Ильдар Ибрагимович Салимов Ключ с захватом и сменным секретом, замок и способ их работы (варианты)
PE20221124A1 (es) 2019-10-03 2022-07-13 Assa Abloy High Security Group Inc Llave en bruto con elemento movil, llave correspondiente y tapon de cerradura correspondiente y montaje de cerradura
US20230082003A1 (en) 2021-09-14 2023-03-16 Dormakaba Usa Inc. Key and core with cam blocking
CN114150936B (zh) * 2021-10-25 2022-08-23 瑞尔工业股份有限公司 锁心及钥匙组成的防盗结构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9004190U1 (de) * 1990-04-10 1990-06-21 Aug. Winkhaus GmbH & Co KG, 4404 Telgte Schließzylinder
DE4322842A1 (de) * 1993-07-08 1995-01-12 Winkhaus Fa August Schließzylinder mit Schlüssel, Gruppen solcher Schließzylinder, ein Schlüssel für einen solchen Schließzylinder und Gruppen von Schlüsseln und Schlüsselrohlingen
FR2762345B1 (fr) * 1997-04-22 1999-07-02 Thirard Ets Clef plate
ITTO980491A1 (it) * 1998-06-05 1999-12-05 Mottura Serrature Di Sicurezza Serratura a cilindro.
FR2871497B1 (fr) * 2004-06-10 2007-11-30 Deny Fontaine Soc Par Actions Cle de securite pour cylindre de serrure
ATE533907T1 (de) 2004-11-30 2011-12-15 Titan Tovarna Kovinskih Izdelkov In Livarna D D Kamnik Flachschlüssel mit zusätzlichem sicherheitselement
EP2126256B1 (en) * 2007-07-25 2013-04-17 "Mauer Locking Systems"Ltd Cylinder lock and associated key and key blank therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
RU2635977C2 (ru) 2017-11-17
RU2015117933A (ru) 2017-05-12
WO2014165949A1 (en) 2014-10-16
EP2984261A1 (en) 2016-02-17
UA112251C2 (uk) 2016-08-10

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